Home / 103,032.88-142,177.56-62,742.18

Finding the Fourth Proportional to 103,032.88, 142,177.56 and 62,742.18

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Solution

The fourth proportional to 103,032.88, 142,177.56 and 62,742.18 is: 86,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,032.88 : 142,177.56 = 62,742.18 : x
  2. Step 2: Convert to fraction form
    103,032.88/142,177.56 = 62,742.18/x
  3. Step 3: Cross multiply
    103,032.88x = 142,177.56 × 62,742.18
  4. Step 4: Simplify right side
    103,032.88x = 8,920,530,061.48
  5. Step 5: Solve for x
    x = 8,920,530,061.48/103,032.88
  6. Step 6: Final answer
    x = 86,579.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.